2, tutup kupu: uga dikenal minangka tutup tutup, iku struktur prasaja saka katup kontrol, bisa digunakake kanggo pipo kurang meksa medium switch kontrol kupu tutup iki nuduhake Piece nutup (disc utawa kupu piring) kanggo disk, muter ngubengi batang tutup kanggo mbukak lan nutup tutup.
2, Butterfly valve: Butterfly valve is characterized by simple structure, small volume, light weight, low material consumption, small installation size, quick switch, 90° reciprocating rotation, small driving torque, etc. It is used to cut off, turn on and adjust the medium in pipeline, with good fluid control characteristics and sealing performance.
Panggunan beda
1, tutup werni: bisa digunakake kanggo angger-angger adi lan kontrol, kang hard segel V-jinis werni tutup v-jinis werni inti lan hardfaced logam tutup jog wis pasukan nyukur kuwat, utamané cocok kanggo ngemot serat, partikel ngalangi cilik lan media liyane. .The multi-pass werni tutup ing pipo ora mung bisa fleksibel ngontrol patemon media, shunt, lan aliran ngalih arah, nanging uga nutup saluran sembarang lan nggawe loro saluran liyane disambungake.